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Keywords: pore pressure
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Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216792
...Evolutionary rock physics for mudrock pressure modeling Yaping Zhu*, Bruce Hart, Dan Ebrom, Jim Kalinec, Lars Wensaas, Equinor Summary Most current rock physics work on unconventional resources focuses on the present-day rock properties such as velocity and pore pressure. However, present-day...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216890
...). Presentation Date: Tuesday, September 17, 2019 Session Start Time: 1:50 PM Presentation Start Time: 2:40 PM Location: 217A Presentation Type: Oral biot coefficient tectonic component poisson pore pressure upstream oil & gas investigation coupling factor minimum horizontal stress...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216163
... solute diffusion and the induced pore pressure by chemical osmosis between shale gas reservoir and fracturing fluid was established. Considering the porosity and permeability of reservoir shale, the spatial and temporal variation of induced pore pressure and fluid solute concentration under chemical...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216138
... interpretation workflow ikon science artificial intelligence application seg international exposition upstream oil & gas workflow interpretation pore pressure prediction algorithm workflow 1 machine learning Geron , A. , 2017 , Hands-on machine learning with Scikit-learn and...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216344
...: 302B Presentation Type: Oral earthquake upstream oil & gas produced water discharge reservoir characterization stress state seismicity perturbation waste management reservoir geomechanics annual meeting duan szafranski equation pore pressure modeling injection timpson fault...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215379
...: Oral glutenite reservoir s-wave velocity upstream oil & gas rock physical experiment intra-layer section equation correlation seg international exposition annual meeting variation porosity effective stress reservoir novel pore pressure prediction model pore pressure pore...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3211255
... ABSTRACT Accurate pore pressure prediction helps to prevent catastrophic incidents including well kicks and blowouts in situ, being of considerable importance in safety and costeffective well design and keeping away geologic disasters. The conventional forecasting methods for pore pressures...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3201888
... ABSTRACT Understanding the pore pressures and stress distribution within the subsurface is of paramount importance in the design of a well in order to accurately determine the allowable drilling window. Many of the conventional methods that exist to predict the pore pressures and stresses...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3209645
... ABSTRACT Due to their low permeability, achieving economic production from unconventional reservoirs entails hydraulic fracturing to increase the surface area in contact with the reservoir. Important to the design of efficient hydraulic fractures is an understanding of pore pressure, the...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2995927
... ABSTRACT Pore pressure is a critical input to a geomechanical model and impacts the mechanical stability of a well. It is also desirable to map the high pressure areas before drilling decisions are made as wells that intersect these zones are typically more prolific producers. A well-based...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2993286
... of 10 Hz to 10 Hz. The computed pore pressure wavefield for a two-layer porous model is used to further validate our numerical method. Presentation Date: Monday, October 15, 2018 Start Time: 1:50:00 PM Location: 205A (Anaheim Convention Center) Presentation Type: Oral numerical modeling...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2987699
... Ltd, Swansea, United Kingdom Summary We present a novel, geomechanically based approach to basin modeling, the primary objective of which is robust prediction of pore pressure and effective stress. Models incorporate the geologic history of a system, accounting for processes including deposition...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2994796
... ABSTRACT Pore pressure prediction plays an important role in shale gas exploration and fracking technology. The pore pressure in shale cannot be directly measured but to be inferred by the normal compaction trend, so methods based on the effective stress theory are dedicated to establishing a...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2991154
... highly overpressured older layers. isothermal condition high pressure high temperature seg international exposition bulk modulus pore pressure thermal expansion equation expansion reservoir geomechanics hejre field reservoir characterization coefficient boundary condition thermal...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2991018
... ABSTRACT Multi-stage hydraulic fracturing increases production from extremely low-permeability unconventional reservoirs by simultaneously inducing slip on pre-existing fracture planes. Here we illustrate how the high pore pressure generated during hydraulic fracturing operations induces slip...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998257
... perturbation perturbation seg international exposition annual meeting sediment pore pressure boundary salt body induce difficulty geophysics horizontal stress imaging result stress perturbation upstream oil & gas salt imaging near-salt sediment salt sphere imaging vertical stress salt...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998543
..., and di- agenesis, to model pore pressure-velocity relationship based on rock physics principles. This produces velocity templates, which can be used to build velocity models for imaging and inversion. We apply this workflow to a data set from the Gulf of Mexico. We study the diagenesis of shale...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998562
... ABSTRACT Pore pressure is closely tied to microseismic triggering mechanisms and fluid transport properties of rocks. Pore pressure evolution in the subsurface is commonly described as a linear diffusion phenomenon. Recently, the theory of nonlinear diffusion has been formulated to account for...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998593
...Effective stress law for permeability of a mudstone sample Azar Hasanov and Manika Prasad, Center for Rock Abuse, Colorado School of Mines SUMMARY The effective stress coefficient determines the influence of con- fining and pore pressures on rock properties. We measured the permeability of the...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998972
... composites. Presentation Date: Tuesday, October 16, 2018 Start Time: 8:30:00 AM Location: 202A (Anaheim Convention Center) Presentation Type: Oral reservoir characterization accumulator calibration pore pressure experiment constant differential stress homogeneity seg international...

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